Johanna waited at the bus stop for nearly an hour ___ the bus finally arrived.
| A．when | B．unless | C．before | D．after |
—Hi, Tom . Any idea where Jane is?
—She _____in the classroom . I saw her there just now.
| A．shall be | B．should have been |
| C．must be | D．might have been |
We should consider the students' requestthe school library provide more books on popular science.
| A． | that | B． | when | C． | which | D． | where |
Professor Williams keeps telling his students that the future ______to the well-educated.
| A．belongs | B．is belonged |
| C．is belonging | D．will be belonged |
With the world changing fast, we have something new _______with all by ourselves every day.
| A．deal | B．dealt | C．to deal | D．dealing |
—I’ve got to go now.
—Must you ?I ______you could stay for dinner with us.
| A．think | B．thought |
| C．have thought | D．am thinking |